terra roxa

…rocks, with reddish soils (terra roxa) of considerable natural fertility. The terra preta dos Indios (“black earth of the Indians”) is another localized and superior soil type, created by past settlement activity.

…deep reddish purple soil (terra roxa) lies in the Southeast and South between central Rio Grande do Sul and southern Minas Gerais, including large areas of Paraná and São Paulo states. That region contains Brazil’s most heavily farmed lands; however, terra roxa is not necessarily more productive than soils…

…dark purple soil known as terra roxa, famous as a producer of coffee. Other crops grown there include feijão (beans), corn (maize), rice, cotton, and potatoes. The plateau is dissected by rivers, between which the surface is flat-topped.